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package fish.payara.nucleus.microprofile.config.source;

import java.util.Properties;
import org.junit.Test;
import static org.junit.Assert.*;

/**
 *
 * @author steve
 */
public class SystemPropertyConfigSourceTest {

    private final SystemPropertyConfigSource source = new SystemPropertyConfigSource(true);

    /**
     * Test of getProperties method, of class SystemPropertyConfigSource.
     */
    @Test
    public void testGetProperties() {
        Properties expected = System.getProperties();
        assertEquals(expected, source.getProperties());
        for (String stringPropertyName : expected.stringPropertyNames()) {
            assertEquals(expected.getProperty(stringPropertyName), source.getValue(stringPropertyName));
        }
    }

    /**
     * Test of getOrdinal method, of class SystemPropertyConfigSource.
     */
    @Test
    public void testGetOrdinal() {
        assertEquals(400, source.getOrdinal());
    }

    /**
     * Test of getName method, of class SystemPropertyConfigSource.
     */
    @Test
    public void testGetName() {
        assertEquals("SystemProperty", source.getName());
    }

    @Test
    public void testAddProperty() {
        assertNull(source.getValue("NoProperty"));
        System.setProperty("NoProperty", "test");
        assertEquals("test", source.getValue("NoProperty"));
    }

}
